SLIDING ROOF SYSTEM, Diagnostic DTC:B2343

DTC Code DTC Name
B2343 Position Initialization Incomplete

DESCRIPTION

This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized.

DTC No. DTC Detection Condition Trouble Area
B2343 Sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized. Sliding roof ECU (Sliding roof drive gear sub-assembly)

WIRING DIAGRAM

Refer to DTC B2341 Click here.

INSPECTION PROCEDURE

Note

  • When DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.

  • When the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, it requires initialization Click here.

  • The sliding roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to the How to Proceed with Troubleshooting procedure Click here.

PROCEDURE

  1. INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

    1. Check that the sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized Click here.

      OK
      Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.
    NG

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    OK

  2. CHECK SLIDING ROOF OPERATION

    1. Check the sliding roof auto operation Click here.

      OK
      Auto operation operates normally.
    NG

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    OK

  3. CHECK DTC OUTPUT

    1. Clear the DTCs Click here.

    2. Check for DTCs.

      OK
      DTC B2343 is not output.
    NG

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Click here

    OK

    END (PROBLEM DUE TO INITIALIZATION FAILURE)